/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 23:36:17,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 23:36:17,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 23:36:17,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 23:36:17,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 23:36:17,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 23:36:17,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 23:36:17,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 23:36:17,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 23:36:17,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 23:36:17,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 23:36:17,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 23:36:17,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 23:36:17,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 23:36:17,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 23:36:17,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 23:36:17,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 23:36:17,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 23:36:17,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 23:36:17,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 23:36:17,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 23:36:17,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 23:36:17,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 23:36:17,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 23:36:17,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 23:36:17,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 23:36:17,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 23:36:17,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 23:36:17,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 23:36:17,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 23:36:17,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 23:36:17,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 23:36:17,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 23:36:17,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 23:36:17,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 23:36:17,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 23:36:17,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 23:36:17,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 23:36:17,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 23:36:17,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 23:36:17,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 23:36:17,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-18 23:36:17,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 23:36:17,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 23:36:17,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 23:36:17,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 23:36:17,939 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 23:36:17,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 23:36:17,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 23:36:17,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 23:36:17,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 23:36:17,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 23:36:17,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 23:36:17,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 23:36:17,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 23:36:17,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 23:36:17,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 23:36:17,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 23:36:17,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 23:36:17,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 23:36:17,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 23:36:17,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 23:36:17,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 23:36:17,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:36:17,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 23:36:17,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 23:36:17,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 23:36:17,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 23:36:17,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 23:36:17,944 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-18 23:36:17,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 23:36:17,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 23:36:18,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 23:36:18,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 23:36:18,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 23:36:18,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 23:36:18,234 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 23:36:18,235 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2019-12-18 23:36:18,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7578f32ec/18c26ea4206f4ca2b8e68f0b5746239d/FLAGafa4393a4 [2019-12-18 23:36:18,829 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 23:36:18,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2019-12-18 23:36:18,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7578f32ec/18c26ea4206f4ca2b8e68f0b5746239d/FLAGafa4393a4 [2019-12-18 23:36:19,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7578f32ec/18c26ea4206f4ca2b8e68f0b5746239d [2019-12-18 23:36:19,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 23:36:19,143 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 23:36:19,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 23:36:19,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 23:36:19,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 23:36:19,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:36:19" (1/1) ... [2019-12-18 23:36:19,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26eea6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:19, skipping insertion in model container [2019-12-18 23:36:19,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:36:19" (1/1) ... [2019-12-18 23:36:19,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 23:36:19,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 23:36:19,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:36:19,869 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 23:36:19,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:36:20,084 INFO L208 MainTranslator]: Completed translation [2019-12-18 23:36:20,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20 WrapperNode [2019-12-18 23:36:20,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 23:36:20,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 23:36:20,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 23:36:20,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 23:36:20,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (1/1) ... [2019-12-18 23:36:20,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (1/1) ... [2019-12-18 23:36:20,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 23:36:20,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 23:36:20,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 23:36:20,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 23:36:20,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (1/1) ... [2019-12-18 23:36:20,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (1/1) ... [2019-12-18 23:36:20,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (1/1) ... [2019-12-18 23:36:20,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (1/1) ... [2019-12-18 23:36:20,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (1/1) ... [2019-12-18 23:36:20,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (1/1) ... [2019-12-18 23:36:20,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (1/1) ... [2019-12-18 23:36:20,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 23:36:20,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 23:36:20,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 23:36:20,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 23:36:20,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:36:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-18 23:36:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-18 23:36:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-18 23:36:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-18 23:36:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 23:36:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 23:36:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-18 23:36:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 23:36:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-18 23:36:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-18 23:36:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 23:36:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 23:36:20,285 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 23:36:20,823 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 23:36:20,824 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-18 23:36:20,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:36:20 BoogieIcfgContainer [2019-12-18 23:36:20,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 23:36:20,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 23:36:20,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 23:36:20,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 23:36:20,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:36:19" (1/3) ... [2019-12-18 23:36:20,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1d489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:36:20, skipping insertion in model container [2019-12-18 23:36:20,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:36:20" (2/3) ... [2019-12-18 23:36:20,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1d489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:36:20, skipping insertion in model container [2019-12-18 23:36:20,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:36:20" (3/3) ... [2019-12-18 23:36:20,844 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2019-12-18 23:36:20,854 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 23:36:20,855 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 23:36:20,863 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 23:36:20,864 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 23:36:20,914 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,915 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,915 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,915 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,916 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,922 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,923 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,923 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,924 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,924 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,924 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,925 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,925 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,925 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,925 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,926 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,926 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,926 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,926 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,927 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,927 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,927 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,927 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,928 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,928 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,928 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,928 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,928 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,929 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,929 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,929 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,929 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,929 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,930 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,930 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,930 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,930 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,931 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,932 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,932 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,933 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,933 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,933 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,934 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,934 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,935 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,935 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,935 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,935 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,937 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,938 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,938 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,938 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,938 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,938 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,939 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,939 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,939 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,939 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,939 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,940 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,940 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,941 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,941 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,942 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,942 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,942 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,942 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,943 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,943 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,943 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,943 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,944 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,944 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,944 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,944 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,945 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,945 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,945 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,945 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,946 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,946 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,946 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,946 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,946 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,947 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,947 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,947 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,947 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,948 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,948 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,948 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,949 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,949 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,949 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,949 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,963 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,963 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,964 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,964 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,964 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,964 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,965 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,965 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,965 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,965 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,965 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,966 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,966 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,966 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,966 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,966 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,967 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,967 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,967 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,967 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,968 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,971 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,971 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,972 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,972 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,972 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,972 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,972 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,973 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,973 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,973 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,973 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,973 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,974 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,974 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,974 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,974 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,974 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,974 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,975 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,975 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,975 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,980 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,981 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,981 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,981 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,981 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,981 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,982 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,982 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,982 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,982 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,982 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,983 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,983 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,983 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,983 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,983 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,984 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:20,984 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:36:21,008 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-18 23:36:21,028 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:36:21,028 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:36:21,029 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:36:21,029 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:36:21,029 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:36:21,029 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:36:21,029 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:36:21,029 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:36:21,042 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 129 places, 133 transitions [2019-12-18 23:36:21,288 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5569 states. [2019-12-18 23:36:21,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5569 states. [2019-12-18 23:36:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-18 23:36:21,323 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:21,324 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:21,326 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:21,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:21,333 INFO L82 PathProgramCache]: Analyzing trace with hash 526640834, now seen corresponding path program 1 times [2019-12-18 23:36:21,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:21,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660163035] [2019-12-18 23:36:21,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:21,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660163035] [2019-12-18 23:36:21,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:36:21,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:36:21,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203889503] [2019-12-18 23:36:21,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:36:21,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:21,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:36:21,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:21,846 INFO L87 Difference]: Start difference. First operand 5569 states. Second operand 3 states. [2019-12-18 23:36:22,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:22,053 INFO L93 Difference]: Finished difference Result 8080 states and 21424 transitions. [2019-12-18 23:36:22,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:36:22,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-12-18 23:36:22,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:22,148 INFO L225 Difference]: With dead ends: 8080 [2019-12-18 23:36:22,149 INFO L226 Difference]: Without dead ends: 7819 [2019-12-18 23:36:22,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:22,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7819 states. [2019-12-18 23:36:22,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7819 to 7531. [2019-12-18 23:36:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7531 states. [2019-12-18 23:36:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7531 states to 7531 states and 20174 transitions. [2019-12-18 23:36:22,634 INFO L78 Accepts]: Start accepts. Automaton has 7531 states and 20174 transitions. Word has length 44 [2019-12-18 23:36:22,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:22,637 INFO L462 AbstractCegarLoop]: Abstraction has 7531 states and 20174 transitions. [2019-12-18 23:36:22,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:36:22,637 INFO L276 IsEmpty]: Start isEmpty. Operand 7531 states and 20174 transitions. [2019-12-18 23:36:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 23:36:22,643 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:22,643 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:22,643 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:22,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:22,644 INFO L82 PathProgramCache]: Analyzing trace with hash -2049956719, now seen corresponding path program 1 times [2019-12-18 23:36:22,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:22,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930033032] [2019-12-18 23:36:22,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:22,816 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930033032] [2019-12-18 23:36:22,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:36:22,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 23:36:22,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355984715] [2019-12-18 23:36:22,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:36:22,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:22,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:36:22,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:36:22,820 INFO L87 Difference]: Start difference. First operand 7531 states and 20174 transitions. Second operand 4 states. [2019-12-18 23:36:22,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:22,935 INFO L93 Difference]: Finished difference Result 11068 states and 29549 transitions. [2019-12-18 23:36:22,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:36:22,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-12-18 23:36:22,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:23,000 INFO L225 Difference]: With dead ends: 11068 [2019-12-18 23:36:23,000 INFO L226 Difference]: Without dead ends: 11068 [2019-12-18 23:36:23,001 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:36:23,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11068 states. [2019-12-18 23:36:23,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11068 to 8098. [2019-12-18 23:36:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8098 states. [2019-12-18 23:36:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8098 states to 8098 states and 21686 transitions. [2019-12-18 23:36:23,315 INFO L78 Accepts]: Start accepts. Automaton has 8098 states and 21686 transitions. Word has length 54 [2019-12-18 23:36:23,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:23,315 INFO L462 AbstractCegarLoop]: Abstraction has 8098 states and 21686 transitions. [2019-12-18 23:36:23,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:36:23,316 INFO L276 IsEmpty]: Start isEmpty. Operand 8098 states and 21686 transitions. [2019-12-18 23:36:23,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-18 23:36:23,329 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:23,329 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:23,330 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:23,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:23,330 INFO L82 PathProgramCache]: Analyzing trace with hash -138779691, now seen corresponding path program 1 times [2019-12-18 23:36:23,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:23,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313929376] [2019-12-18 23:36:23,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:23,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:23,452 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313929376] [2019-12-18 23:36:23,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:36:23,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:36:23,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811961641] [2019-12-18 23:36:23,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:36:23,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:23,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:36:23,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:23,454 INFO L87 Difference]: Start difference. First operand 8098 states and 21686 transitions. Second operand 3 states. [2019-12-18 23:36:23,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:23,601 INFO L93 Difference]: Finished difference Result 12178 states and 32439 transitions. [2019-12-18 23:36:23,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:36:23,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-12-18 23:36:23,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:23,638 INFO L225 Difference]: With dead ends: 12178 [2019-12-18 23:36:23,638 INFO L226 Difference]: Without dead ends: 12178 [2019-12-18 23:36:23,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:23,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12178 states. [2019-12-18 23:36:24,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12178 to 11113. [2019-12-18 23:36:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11113 states. [2019-12-18 23:36:24,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11113 states to 11113 states and 29865 transitions. [2019-12-18 23:36:24,121 INFO L78 Accepts]: Start accepts. Automaton has 11113 states and 29865 transitions. Word has length 69 [2019-12-18 23:36:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:24,124 INFO L462 AbstractCegarLoop]: Abstraction has 11113 states and 29865 transitions. [2019-12-18 23:36:24,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:36:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 11113 states and 29865 transitions. [2019-12-18 23:36:24,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-18 23:36:24,138 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:24,138 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:24,139 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:24,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:24,139 INFO L82 PathProgramCache]: Analyzing trace with hash -491556481, now seen corresponding path program 1 times [2019-12-18 23:36:24,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:24,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052874210] [2019-12-18 23:36:24,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:24,306 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:24,307 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052874210] [2019-12-18 23:36:24,307 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114630093] [2019-12-18 23:36:24,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:36:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:24,411 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-18 23:36:24,418 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-18 23:36:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:24,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-18 23:36:24,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-12-18 23:36:24,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731410818] [2019-12-18 23:36:24,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-18 23:36:24,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:24,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-18 23:36:24,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 23:36:24,488 INFO L87 Difference]: Start difference. First operand 11113 states and 29865 transitions. Second operand 7 states. [2019-12-18 23:36:24,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:24,715 INFO L93 Difference]: Finished difference Result 16699 states and 44482 transitions. [2019-12-18 23:36:24,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-18 23:36:24,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2019-12-18 23:36:24,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:25,291 INFO L225 Difference]: With dead ends: 16699 [2019-12-18 23:36:25,292 INFO L226 Difference]: Without dead ends: 16603 [2019-12-18 23:36:25,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-12-18 23:36:25,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16603 states. [2019-12-18 23:36:25,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16603 to 13453. [2019-12-18 23:36:25,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13453 states. [2019-12-18 23:36:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13453 states to 13453 states and 36230 transitions. [2019-12-18 23:36:25,689 INFO L78 Accepts]: Start accepts. Automaton has 13453 states and 36230 transitions. Word has length 76 [2019-12-18 23:36:25,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:25,691 INFO L462 AbstractCegarLoop]: Abstraction has 13453 states and 36230 transitions. [2019-12-18 23:36:25,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-18 23:36:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 13453 states and 36230 transitions. [2019-12-18 23:36:25,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-18 23:36:25,703 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:25,703 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:25,907 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-18 23:36:25,908 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:25,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:25,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1927494124, now seen corresponding path program 1 times [2019-12-18 23:36:25,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:25,909 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503966664] [2019-12-18 23:36:25,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:26,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:36:26,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503966664] [2019-12-18 23:36:26,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:36:26,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:36:26,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75195613] [2019-12-18 23:36:26,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:36:26,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:36:26,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:36:26,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:26,024 INFO L87 Difference]: Start difference. First operand 13453 states and 36230 transitions. Second operand 3 states. [2019-12-18 23:36:26,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:36:26,059 INFO L93 Difference]: Finished difference Result 5254 states and 13361 transitions. [2019-12-18 23:36:26,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:36:26,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-12-18 23:36:26,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:36:26,075 INFO L225 Difference]: With dead ends: 5254 [2019-12-18 23:36:26,075 INFO L226 Difference]: Without dead ends: 5254 [2019-12-18 23:36:26,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:36:26,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5254 states. [2019-12-18 23:36:26,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5254 to 4591. [2019-12-18 23:36:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4591 states. [2019-12-18 23:36:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4591 states to 4591 states and 11589 transitions. [2019-12-18 23:36:26,232 INFO L78 Accepts]: Start accepts. Automaton has 4591 states and 11589 transitions. Word has length 79 [2019-12-18 23:36:26,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:36:26,236 INFO L462 AbstractCegarLoop]: Abstraction has 4591 states and 11589 transitions. [2019-12-18 23:36:26,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:36:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 4591 states and 11589 transitions. [2019-12-18 23:36:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-18 23:36:26,248 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:36:26,248 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:36:26,250 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:36:26,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:36:26,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1794426961, now seen corresponding path program 1 times [2019-12-18 23:36:26,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:36:26,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543398132] [2019-12-18 23:36:26,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:36:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:36:26,577 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:464) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-18 23:36:26,589 INFO L168 Benchmark]: Toolchain (without parser) took 7442.82 ms. Allocated memory was 136.3 MB in the beginning and 493.9 MB in the end (delta: 357.6 MB). Free memory was 99.3 MB in the beginning and 317.8 MB in the end (delta: -218.4 MB). Peak memory consumption was 139.1 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:26,590 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-18 23:36:26,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 938.35 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 98.9 MB in the beginning and 132.1 MB in the end (delta: -33.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:26,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.88 ms. Allocated memory is still 200.3 MB. Free memory was 132.1 MB in the beginning and 129.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:26,596 INFO L168 Benchmark]: Boogie Preprocessor took 51.78 ms. Allocated memory is still 200.3 MB. Free memory was 129.2 MB in the beginning and 127.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:26,598 INFO L168 Benchmark]: RCFGBuilder took 617.25 ms. Allocated memory is still 200.3 MB. Free memory was 127.8 MB in the beginning and 96.2 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:26,599 INFO L168 Benchmark]: TraceAbstraction took 5751.83 ms. Allocated memory was 200.3 MB in the beginning and 493.9 MB in the end (delta: 293.6 MB). Free memory was 96.2 MB in the beginning and 317.8 MB in the end (delta: -221.5 MB). Peak memory consumption was 72.1 MB. Max. memory is 7.1 GB. [2019-12-18 23:36:26,612 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 938.35 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 98.9 MB in the beginning and 132.1 MB in the end (delta: -33.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 73.88 ms. Allocated memory is still 200.3 MB. Free memory was 132.1 MB in the beginning and 129.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.78 ms. Allocated memory is still 200.3 MB. Free memory was 129.2 MB in the beginning and 127.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 617.25 ms. Allocated memory is still 200.3 MB. Free memory was 127.8 MB in the beginning and 96.2 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5751.83 ms. Allocated memory was 200.3 MB in the beginning and 493.9 MB in the end (delta: 293.6 MB). Free memory was 96.2 MB in the beginning and 317.8 MB in the end (delta: -221.5 MB). Peak memory consumption was 72.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...